Published also in the New monthly magazine, April, 1819, where it was attributed by the publisher to Byron; subsequently repudiated by him and claimed by Polidori. cf. Works of Lord Byron, ed. by Prothero, v. 3, p. 446-453; v. 4, p. 286-288, 296-299, and the Diary of J.W. Polidori, ed. by W.M. Rossetti, p. 11-24
Byron, George Gordon Byron, Baron, 1788-1824; Mitford, John, 1782-1831
Evidence reported by University of Toronto scanning center for item thevampyretale00poliuoft on November 17, 2006: no visible notice of copyright; stated date is 1819.